#include"csapp.h"
int main()
{
	int fd;
	char c;

	fd = Open("foobar.text",O_RDONLY,0);
	if(Fork()==0){
		Read(fd,&c,1);
		exit (0);
	}
	Wait(NULL);
	Read(fd,&c,1);
	printf("c=%c\n",c);
	exit(0);


}
